- All sections
- F - Mechanical engineeringlightingheatingweaponsblasting
- F25B - Refrigeration machines, plants or systemscombined heating and refrigeration systemsheat pump systems
- F25B 9/00 - Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
Patent holdings for IPC class F25B 9/00
Total number of patents in this class: 1936
10-year publication summary
|
145
|
177
|
170
|
134
|
131
|
158
|
129
|
169
|
131
|
86
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Heavy Industries, Ltd. | 2121 |
118 |
| Carrier Corporation | 3949 |
89 |
| Hamilton Sundstrand Corporation | 5014 |
75 |
| Daikin Industries, Ltd. | 10513 |
73 |
| Hill Phoenix, Inc. | 306 |
51 |
| Mitsubishi Electric Corporation | 48146 |
50 |
| Heatcraft Refrigeration Products LLC | 281 |
47 |
| LG Electronics Inc. | 75807 |
45 |
| Honeywell International Inc. | 12776 |
37 |
| L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | 4124 |
32 |
| Solstice Advanced Materials US, Inc. | 985 |
28 |
| Energy Recovery, Inc. | 191 |
23 |
| Arkema France | 4249 |
19 |
| Hanon Systems | 2112 |
16 |
| Justairtech GmbH | 19 |
16 |
| Raytheon Company | 8442 |
15 |
| Copeland LP | 706 |
15 |
| Toshiba Materials Co., Ltd. | 563 |
14 |
| Agc, Inc. | 5563 |
14 |
| Mitsubishi Heavy Industries, Ltd. | 9161 |
13 |
| Other owners | 1146 |